[Description of Red, Blue and Black Lines]: The red wire is connected in parallel to the positive pole of the power supply and the positive pole of the motor, the blue wire is connected to the negative pole of the motor, and the black wire is connected to the negative pole of the power supply
[Attention]: Parallel connection of two red wires is prohibited, and parallel connection of black wires and blue wires is prohibited. The 4 wires must be wired separately, otherwise, the switch will not be able to adjust the speed normally
[Rated Current and Voltage]: This electronic switch rated power is 120W at 12V, 240W at 24V, which support high power, this fan heater speed controller rated heating current is 10A, continuously variable type
[Good Heat Dissipation]: This dc motor speed controller designed with a heat sink that will provide better heat dissipation
[Easy Wiring]: This motor governor is easy to install and disassemble, simple wiring and convenient to use, and is an ideal substitute for broken wires, which is suitable for adjusting the wind speed of car heaters, defrosters, fans
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